One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,9)(3,11,14,7)(4,10,6,8)(12,16,13,15)(17,18)(19,27)(20,31)(21,35)(22,26)(23,29)(24,34)(25,33)(28,41)(30,39)(32,45)(36,43)(37,42)(38,46)(40,44)(47,48)(1,3)(2,7)(4,13)(5,14)(6,12)(8,15)(9,11)(10,16)(17,19,21,29,22,30,33,43)(18,23,25,27,26,36,35,39)(20,28,34,44,32,42,46,48)(24,37,31,40,38,41,45,47)(2,8)(3,12)(4,6)(9,10)(13,14)(15,16)(20,32)(23,36)(24,38)(27,39)(28,42)(31,45)(34,46)(44,48) involution — undirected(1,4,5,6)(2,8,9,10)(3,13,14,12)(7,15,11,16)(17,20,33,46,22,32,21,34)(18,24,35,45,26,38,25,31)(19,28,43,48,30,42,29,44)(23,37,39,47,36,41,27,40)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.